Home / 1,018,242-1,405,173.96-565,575.12

Finding the Fourth Proportional to 1,018,242, 1,405,173.96 and 565,575.12

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Solution

The fourth proportional to 1,018,242, 1,405,173.96 and 565,575.12 is: 780,493.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,242 : 1,405,173.96 = 565,575.12 : x
  2. Step 2: Convert to fraction form
    1,018,242/1,405,173.96 = 565,575.12/x
  3. Step 3: Cross multiply
    1,018,242x = 1,405,173.96 × 565,575.12
  4. Step 4: Simplify right side
    1,018,242x = 794,731,431,047.88
  5. Step 5: Solve for x
    x = 794,731,431,047.88/1,018,242
  6. Step 6: Final answer
    x = 780,493.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.